摘要
超分子科学是当今材料科学发展的重要方向之一。利用电纺制备了聚氧化乙烯-尿素包合复合物(PEOUIC)纤维,并通过X射线衍射、扫描电镜以及红外光谱等对其结构与性能进行了系统的分析。结果表明,通过调节聚氧化乙烯(PEO)与尿素(Urea)配比,可控制制备出三方晶系与四方晶系的PEOUIC纤维;电纺电压对PEOUIC晶体结构没有影响,而电压以及配比(PEO与Urea)对纤维的直径和形貌有直接影响;随着电压的增大,纤维直径先增大后减小;三方晶系PEOUIC纤维较为连续,且表面较光滑,而四方晶系PEOUIC纤维易产生断裂,纤维表面较粗糙。
Supermolecule is main development direction of material science at present. In this paper,the poly（ ethylene oxide）-urea inclusion complex（ PEOUIC） fibers were prepared via electrospinning,and the structures and properties of PEOUIC fibers were systematically researched by XRD,SEM,FT-IR,etc. The results show that trigonal and tetragonal PEOUIC crystal can be controlled by adjusting the mass ratio of PEO to urea. The electrospinning voltage has no effect on the crystal form of PEOUIC,but the voltage and mass ratio of PEO to urea have direct influence on the diameter and morphology of PEOUIC fibers. With the increase of voltage,the diameter of PEOUIC fibers increases firstly and then decreases. The trigonal PEOUIC fibers possess continuous and relatively smooth characteristics; while the tetragonal PEOUIC fibers possess discontinuous and coarse characteristics.
出处
《高分子材料科学与工程》
EI
CAS
CSCD
北大核心
2015年第8期84-91,共8页
Polymer Materials Science & Engineering
基金
国家自然科学基金联合基金资助项目(U1304213)
河南工程学院博士基金项目(2012029)
河南省教育厅科学技术研究重点项目(14B430032)
关键词
聚氧化乙烯-尿素包合复合物
静电纺丝
电压
直径
poly（ethylene oxide）-urea inclusion complex
electrospinning
voltage
diameter
